FAN4801 FAIRCHILD [Fairchild Semiconductor], FAN4801 Datasheet - Page 10

• Manufacturer Part Number: FAN4801
• Description: PFC/PWM Controller Combination
• Manufacturer: FAIRCHILD [Fairchild Semiconductor]

© 2008 Fairchild Semiconductor Corporation
FAN4800A/C, FAN4801/1S/2/2L • Rev. 1.0.2
Electrical Characteristics
V
Voltage Error Amplifier
Current Error Amplifier
Tri-Fault Detect
Gain Modulator
t
DD
FBPFC_OPEN
Symbol
V
FBPFC
V
I
I
V
FBPFC-H
V
V
FBPFC-L
V
GAIN
V
V
=15V, T
PFC-UVP
Gm
OFFSET
Gm
ISENSE
BW
V
VEA-H
I
VEA-L
I
A
IEA-H
o(gm)
IEA-L
A
I
I
BS
AC
ref
H
L
V
I
v
I
A
=25°C, R
Input Voltage Range
Reference Voltage
Open-Loop Gain
Transconductance
Maximum Source Current
Maximum Sink Current
Input Bias Current
Output High Voltage on
VVEA
Output Low Voltage on
VVEA
Input Voltage Range
(ISENSE Pin)
Transconductance
Input Offset Voltage
Output High Voltage
Output Low Voltage
Source Current
Sink Current
Open-Loop Gain
Time to FBPFC Open
PFC Feedback Under-
Voltage Protection
Input for AC Current
GAIN Modulator
Bandwidth
Output Voltage=5.7kΩ ×
(I
SENSE
-I
Parameter
T
OFFSET
=6.8kΩ, C
(3)
(3)
)
(3)
(4)
(3)
(3)
T
=1000pF unless noted operating specifications.
(3)
(3)
(3)
(Continued)
at T=25°C
V
V
V
V
V
V
V
V
470pF from FBPFC to GND
Multiplier Linear Range
I
V
I
at T=25°C
I
V
I
V
I
V
I
I
at T=25°C
AC
AC
AC
AC
AC
AC
AC
NONINV
FBPFC
FBPFC
NONINV
VEA
ISENSE
ISENSE
FBPFC
FBPFC
FBPFC
FBPFC
FBPFC
=17.67µA, V
=20µA, V
=25.69µA, V
=51.62µA, V
=62.23µA, V
=40µA
=20µA, V
=0V, IAC Open
=2V, V
=3V, V
=V
=2.25V, at T=25°C
=2.25V, at T=25°C
=2.25V, at T=25°C
=2.25V, at T=25°C
=-0.6V, V
=+0.6V, V
=V
=V
PFC-UVP
INV
INV
RMS
RMS
, V
, V
VEA
VEA
Conditions
10
VEA
IEA
RMS
RMS
RMS
RMS
=1.224V V
=1.224V V
=1.5V
=6V
IEA
to FBPFC OPEN,
IEA
=3.75V
=3.75V at T=25°C
=1.080V
=1.585V
=3.169V
=3.803V
=1.5V
=4.0V
FBPFC
FBPFC
=2.25V,
=2.25V,
Min.
2.45
7.50
6.30
3.80
0.95
0.66
0.74
-1.5
-10
5.8
6.8
0.4
35
50
40
78
35
40
-1
0
0
Typ.
2.50
9.00
7.00
4.20
1.05
0.73
0.82
-50
-50
6.0
0.1
7.4
0.1
0.5
42
70
50
88
50
50
2
2
Max. Units
10.50
2.55
7.70
4.60
1.16
0.80
0.90
100
100
-40
0.4
0.7
8.0
0.4
-35
0.6
90
10
6
1
4
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µmho
µmho
kHz
mV
dB
µA
µA
µA
µA
µA
dB
ms
µA
V
V
V
V
V
V
V
V
V